52311182440 has 64 divisors (see below), whose sum is σ = 128475072000. Its totient is φ = 19011152640.

The previous prime is 52311182423. The next prime is 52311182453. The reversal of 52311182440 is 4428111325.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740166 + ... + 807754.

It is an arithmetic number, because the mean of its divisors is an integer number (2007423000).

Almost surely, 2^52311182440 is an apocalyptic number.

It is an amenable number.

52311182440 is an abundant number, since it is smaller than the sum of its proper divisors (76163889560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52311182440 is a wasteful number, since it uses less digits than its factorization.

52311182440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69370 (or 69366 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 52311182440 its reverse (4428111325), we get a palindrome (56739293765).

The spelling of 52311182440 in words is "fifty-two billion, three hundred eleven million, one hundred eighty-two thousand, four hundred forty".